Finding the Fourth Proportional to 7,980,106.06, 11,971,842.18 and 2,588,337.76
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Solution
The fourth proportional to 7,980,106.06, 11,971,842.18 and 2,588,337.76 is: 3,883,052.55
Step by Step Solution
- Step 1: Write the proportion equation
7,980,106.06 : 11,971,842.18 = 2,588,337.76 : x - Step 2: Convert to fraction form
7,980,106.06/11,971,842.18 = 2,588,337.76/x - Step 3: Cross multiply
7,980,106.06x = 11,971,842.18 × 2,588,337.76 - Step 4: Simplify right side
7,980,106.06x = 30,987,171,171,254.71 - Step 5: Solve for x
x = 30,987,171,171,254.71/7,980,106.06 - Step 6: Final answer
x = 3,883,052.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.